3" x 5" reusable hand warmer, perfect size for laying against a lionfish sting for immediate relief. Can be carried on a dive or kept in the dive bag for whenever it's needed. With the push of a button the heat pack will instantly crystallize and heat up to 130-135 degrees right before your eyes.
It will continue to generate heat anywhere from one hour to two hours depending on the size of the heat pack and how well you insulate it.

Now you can have instant soothing heat anytime anywhere.

Easily recharged by placing the pack in boiling water for 5-10 minutes then letting it cool. Your pack is then ready for another use!